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| 42: | 2 | 3 | 7 | |
| 84: | 2 | 2 | 3 | 7 |
| GCF: | 2 | 3 | 7 |
The Greates Common Factor (GCF) is: 2 x 3 x 7 = 42
| Greatest Common Factor (GCF) of 100 and 130 | | Greatest Common Factor (GCF) of 26 and 51 | | Greatest Common Factor (GCF) of 48 and 72 | | Greatest Common Factor (GCF) of 28 and 42 | | Greatest Common Factor (GCF) of 6 and 5 | | Greatest Common Factor (GCF) of 7 and 8 | | Greatest Common Factor (GCF) of 10 and 9 | | Greatest Common Factor (GCF) of 10 and 3 | | Greatest Common Factor (GCF) of 11 and 10 | | Greatest Common Factor (GCF) of 13 and 14 | | Greatest Common Factor (GCF) of 729 and 18 | | Greatest Common Factor (GCF) of 13 and 8 | | Greatest Common Factor (GCF) of 11 and 12 | | Greatest Common Factor (GCF) of 6 and 10 | | Greatest Common Factor (GCF) of 14 and 11 | | Greatest Common Factor (GCF) of 17 and 42 | | Greatest Common Factor (GCF) of 78 and 143 | | Greatest Common Factor (GCF) of 48 and 84 | | Greatest Common Factor (GCF) of 903 and 756 | | Greatest Common Factor (GCF) of 90 and 150 | | Greatest Common Factor (GCF) of 120 and 450 | | Greatest Common Factor (GCF) of 280 and 980 | | Greatest Common Factor (GCF) of 861 and 798 | | Greatest Common Factor (GCF) of 867 and 798 | | Greatest Common Factor (GCF) of 300 and 750 | | Greatest Common Factor (GCF) of 1936 and 2560000 | | Greatest Common Factor (GCF) of 44 and 40 | | Greatest Common Factor (GCF) of 52432 and 4 | | Greatest Common Factor (GCF) of 203 and 299 | | Greatest Common Factor (GCF) of 424 and 299 | | Greatest Common Factor (GCF) of 63 and 81 | | Greatest Common Factor (GCF) of 351 and 71 |